MPG woes
I searched the class b forum for mpg related topics and found/read a bunch. First far trip on my class-B, 1990 Ford Econoline 250 Intervec Falcon with Ford's 5.8L windsor V8 No check engine li...
Forum Discussion
ffjeff wrote:
Are you sure your speedo is calibrated to the diameter or the tires your using.
speedo is fine; waze app shows gps speed which is within +/-1 of speedo
